GB/T 674-2024 Chinese PDF (GB/T674-2024) GB 24544-2023 English versions: GB/T 21510-2024

English versions: GB/T 21510-2024

1-2025_Chinese: Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions - Method by analysis of evolved cabon dioxide - Part 1: General method (Chinese: 受控堆肥条件下材料最终需氧生物分解能力的测定 采用测定释放的二氧化碳的方法 第1部分：通用方法)

English versions: GB 29140-2024

English versions: GB/T 44947-2024

English versions: GB/T 9058-2024

GB/T 674-2024 Chinese PDF (GB/T674-2024) GB 24544-2023 English versions: GB/T 21510-2024GB T 674 2024_Chinese: Chemical reagent Cupric oxide powder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 674 2024